Drill bit



The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.

FIG. 1 is a front elevational view of a first embodiment of a drill bit showing our new design;

FIG. 2 is a rear elevational view of the drill bit of FIG. 1;

FIG. 3 is a left side elevational view of the drill bit of FIG. 1;

FIG. 4 is a right side elevational view of the drill bit of FIG. 1;

FIG. 5 is a top plan view of the drill bit of FIG. 1; and

FIG. 6 is a bottom plan view of the drill bit of FIG. 1.

FIG. 7 is a front elevational view of a second embodiment of a drill bit showing our new design;

FIG. 8 is a rear elevational view of the drill bit of FIG. 7;

FIG. 9 is a left side elevational view of the drill bit of FIG. 7;

FIG. 10 is a right side elevational view of the drill bit of FIG. 7;

FIG. 11 is a top plan view of the drill bit of FIG. 7; and,

FIG. 12 is a bottom plan view of the drill bit of FIG. 7.

The broken lines shown in the drawings depict unclaimed environmental subject matter. The dash-dot-dash lines identify boundaries of the claimed design and form no part of the claimed design. The contrast in shading within the claim boundary represents a contrast in appearance only and does not represent any particular color, material, texture, or finish. 

CLAIM The ornamental design for a drill bit, as shown and described. 